1 // Copyright 2023 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 //////////////////////////////////////////////////////////////////////////////// 16 17 package com.google.crypto.tink.daead; 18 19 import static com.google.crypto.tink.internal.TinkBugException.exceptionIsBug; 20 21 /** 22 * Pre-generated {@link KeyTemplate} for {@link com.google.crypto.tink.DeterministicAead} keys. 23 * 24 * <p>Note: if you want to keep dependencies small, consider inlining the constants here. 25 */ 26 public final class PredefinedDeterministicAeadParameters { 27 /** A {@code KeyTemplate} that generates new instances of {@code AesSivKey} with a 64-byte key. */ 28 public static final AesSivParameters AES256_SIV = 29 exceptionIsBug( 30 () -> 31 AesSivParameters.builder() 32 .setKeySizeBytes(64) 33 .setVariant(AesSivParameters.Variant.TINK) 34 .build()); 35 PredefinedDeterministicAeadParameters()36 private PredefinedDeterministicAeadParameters() {} 37 } 38